NTSB Identification: LAX83IA147.
The docket is stored on NTSB microfiche number 23158.
Scheduled 14 CFR REPUBLIC AIRLINES
Incident occurred Thursday, March 17, 1983 in SALT LAKE CITY, UT
Aircraft: DOUGLAS DC-9-10, registration: N9356
Injuries: 84 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

DURING CLIMB TO 28,000 FT AT 20,000 FT THE AUTO-PILOT DISENGAGED AND THE CREW REPORTED THAT THEY COULD NOT MOVE THE CONTROL COLUMN TO CONTROL PITCH. THE ACFT WAS OPERATING IN ICING CONDITIONS AT THE TIME. THE CREW LANDED THE ACFT BY UTILIZING THE TRIM CONTROL.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

FLIGHT CONTROL SYSTEM..FROZEN


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS

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